Home / 20,580.11-30,864.06-8,733.72

Finding the Fourth Proportional to 20,580.11, 30,864.06 and 8,733.72

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Solution

The fourth proportional to 20,580.11, 30,864.06 and 8,733.72 is: 13,097.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,580.11 : 30,864.06 = 8,733.72 : x
  2. Step 2: Convert to fraction form
    20,580.11/30,864.06 = 8,733.72/x
  3. Step 3: Cross multiply
    20,580.11x = 30,864.06 × 8,733.72
  4. Step 4: Simplify right side
    20,580.11x = 269,558,058.10
  5. Step 5: Solve for x
    x = 269,558,058.10/20,580.11
  6. Step 6: Final answer
    x = 13,097.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.